Solve for x
x\geq 31040
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2.5x+2400\geq 80000
Add -600 and 3000 to get 2400.
2.5x\geq 80000-2400
Subtract 2400 from both sides.
2.5x\geq 77600
Subtract 2400 from 80000 to get 77600.
x\geq \frac{77600}{2.5}
Divide both sides by 2.5. Since 2.5 is positive, the inequality direction remains the same.
x\geq \frac{776000}{25}
Expand \frac{77600}{2.5} by multiplying both numerator and the denominator by 10.
x\geq 31040
Divide 776000 by 25 to get 31040.
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